Home / 25,582.66-35,294.37-15,507.43

Finding the Fourth Proportional to 25,582.66, 35,294.37 and 15,507.43

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Solution

The fourth proportional to 25,582.66, 35,294.37 and 15,507.43 is: 21,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.66 : 35,294.37 = 15,507.43 : x
  2. Step 2: Convert to fraction form
    25,582.66/35,294.37 = 15,507.43/x
  3. Step 3: Cross multiply
    25,582.66x = 35,294.37 × 15,507.43
  4. Step 4: Simplify right side
    25,582.66x = 547,324,825.78
  5. Step 5: Solve for x
    x = 547,324,825.78/25,582.66
  6. Step 6: Final answer
    x = 21,394.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.